11 mark
Which of the following processes represents a physical change?
Acid base neutralisation
Metal displacement reactions
Boiling ethanol
Combustion of magnesium
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Physical & Chemical Changes (Cambridge O Level Chemistry)
Exam Questions
2 mins2 questions21 mark
Physical and chemical changes are different processes. Which of the following rows correctly identifies characteristics of each one?
| chemical change | physical change | |
| A | no new substance formed | change of state |
| B | no new substance formed | involves electron transfer |
| C | new substance formed | involves electron transfer |
| D | new substance formed | change of state |
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